CN216707130U

CN216707130U - Lock shell clamp

Info

Publication number: CN216707130U
Application number: CN202123089694.5U
Authority: CN
Inventors: 王春永
Original assignee: Shanghai Beiyu Precision Machinery Co ltd
Current assignee: Shanghai Beiyu Precision Machinery Co ltd
Priority date: 2021-12-10
Filing date: 2021-12-10
Publication date: 2022-06-10
Anticipated expiration: 2031-12-10

Abstract

The utility model provides a lock shell clamp which comprises a first bottom plate, wherein a second bottom plate is rotatably connected to the first bottom plate, two rotary tables are fixed to the second bottom plate, a first supporting plate is fixed to one rotary table, a first oil cylinder is fixed to the lower portion of the first supporting plate, a lower limiting block is fixed to the upper portion of the first supporting plate, an upper limiting block is fixed to the upper portion of the lower limiting block, a top block is connected to the end portion of a piston rod of the first oil cylinder, sliding blocks are connected to the two sides of the lower limiting block in a sliding mode, the sliding blocks are matched with the top block in a wedge mode, a positioning mechanism is connected to the end portion of each sliding block through a pin, and a first supporting platform is fixed to the first supporting plate; under the action of the pressing block and the first bearing platform, the lock shell can be fixedly clamped in a standing state, and under the action of the pressing claw and the second bearing platform, the lock shell can be fixedly clamped in a horizontal and transverse state; the bearing mechanism can rotate on the first bottom plate, manual operation is not needed, and machining efficiency is greatly accelerated.

Description

Lock shell clamp

Technical Field

The utility model relates to the field of machine tool clamps, in particular to a lock shell clamp.

Background

The lock shell shown in figure 8 is an outer shell of a lock core, before the lock shell is put into use, a plurality of arc-shaped surfaces of the lock shell need to be processed and polished, the lock shell needs to be clamped by a clamp when being assembled, the existing clamp generally comprises two clamping arms, the tightness of the clamping arms is manually completed manually, the clamp is insufficient and unstable for fixing and clamping the lock shell in actual use, and when the machining position is switched, the fixed position of the lock shell needs to be manually changed, so that the machining efficiency is low, and the machining precision is not high.

Disclosure of Invention

The utility model mainly aims to provide a lock shell clamp, which solves the problems that when a lock shell workpiece is machined, accurate positioning and clamping cannot be achieved, and manual transposition is needed.

In order to achieve the purpose, the utility model adopts the technical scheme that:

a lock shell clamp comprises a first base plate, wherein a second base plate is rotatably connected to the first base plate, two rotary tables are fixed to the second base plate, a first supporting plate is fixed to one rotary table, a first oil cylinder is fixed to the lower portion of the first supporting plate, a lower limiting block is fixed to the upper portion of the first supporting plate, an upper limiting block is fixed to the upper portion of the lower limiting block, a top block is connected to the end portion of a piston rod of the first oil cylinder, the top block penetrates through the lower limiting block and is inserted into the upper limiting block, sliding blocks are slidably connected to the two sides of the lower limiting block, the sliding blocks are in wedge fit with the top blocks, a positioning mechanism is connected to end portion pins of the sliding blocks, and a first supporting platform is fixed to the first supporting plate and used for bearing a lock shell;

a second support plate is fixed on the other rotary table, a second oil cylinder is fixed below the second support plate, a piston rod of the second oil cylinder penetrates through the second support plate, a dowel bar is connected to the end of the piston rod of the second oil cylinder, a pressing mechanism is connected to the end of the dowel bar through a pin, and limiting mechanisms are fixed on the periphery of the pressing mechanism.

Preferably, the lower limiting block comprises a longitudinal limiting hole and a transverse limiting groove, the top block is located in the limiting hole, and the sliding block is located in the limiting groove.

Preferably, the kicking block both sides are provided with first inclined plane and are provided with T type groove, the sliding block is being close to one side of kicking block is provided with the second inclined plane and is provided with T type head, T type head inserts T type groove.

Preferably, the sliding block is close to positioning mechanism one side is provided with the lug, be provided with first spacing hole on the lug, positioning mechanism includes the briquetting support and fixes the briquetting at briquetting support both ends, the briquetting support is corresponding first spacing hole department is provided with first bolt hole and has inserted first bolt, the lug with be provided with first tolerance seam between the briquetting support.

Preferably, a second limiting hole is formed in the end portion of the force transmission rod, the pressing mechanism comprises a pressing claw support, pressing claws are fixed to two ends of the pressing claw support, a second bolt hole is formed in the position, corresponding to the second limiting hole, of the pressing claw support, a second bolt is inserted into the second bolt hole, and a second tolerance gap is formed between the end portion of the force transmission rod and the pressing claw support.

Preferably, the limiting mechanism comprises a second bearing platform arranged at a position corresponding to the pressing claw and limiting bases arranged on two sides of the pressing claw, a limiting support is fixed on each limiting base, and limiting heads are fixed at two ends of each limiting support.

Preferably, the limiting base is provided with a convex groove, a convex seat is arranged in the convex groove, the convex seat is fixed with the limiting support, a sawtooth structure is arranged above the limiting base, and the limiting support is also provided with a sawtooth structure at a corresponding position and used for clamping.

Preferably, a positioning pin is fixed in the center of the first bearing platform and used for centering and positioning the required clamping lock shell.

Has the advantages that: under the action of the pressing block and the first bearing platform, the lock shell can be fixedly clamped in a standing state, and under the action of the pressing claw and the second bearing platform, the lock shell can be fixedly clamped in a horizontal and transverse state; because bearing mechanism can rotate on first bottom plate, when the fixed clamping state of lock shell need be changed, do not need manual operation, greatly accelerated machining efficiency has improved the machining precision.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below.

FIG. 1 is a schematic view of the overall assembly of the present invention;

FIG. 2 is a schematic view of the explosion of the parts mounted on the first support plate according to the present invention;

FIG. 3 is a cross-sectional view of the part of FIG. 2;

FIG. 4 is an exploded view of the second support plate component of the present invention;

FIG. 5 is a schematic view of the hold-down mechanism of the present invention;

FIG. 6 is a schematic view of a spacing mechanism of the present invention;

FIG. 7 is an exploded view of the positioning mechanism of the present invention;

fig. 8 is a schematic view of a lock housing to be tightened according to the present invention.

Wherein: 1. a first base plate; 2. a second base plate; 3. a turntable; 4. a first support plate; 5. a first cylinder; 6. a lower limiting block; 7. an upper limit block; 8. a top block; 9. a slider; 10. a positioning mechanism; 11. a first bearing platform; 12. a second support plate; 13. A second cylinder; 14. a dowel bar; 15. a convex seat; 16. positioning pins; 17. limiting holes; 18. a limiting groove; 19. a first inclined plane; 20. a T-shaped groove; 21. a second inclined plane; 22. a T-shaped head; 23. a bump; 24. a first limit hole; 25. a pressing block support; 26. briquetting; 27. a first pin hole; 28. a first latch; 29. a first tolerance gap; 30. a second limiting hole; 31 compressing the claw support; 32. a pressing claw; 33. a second pin hole; 34. a second bolt; 35. a second tolerance gap; 36. a second platform; 37. A limiting base; 38. a limiting support; 39. a limiting head; 40. a convex groove.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the utility model.

As shown in fig. 1, 2 and 3, the utility model provides a lock case clamp, which comprises a first bottom plate 1, wherein the first bottom plate 1 is rotatably connected with a second bottom plate 2 through a bearing coaxially connected with the first bottom plate, two turntables 3 are fixed on the second bottom plate 2, a first support plate 4 is fixed on one of the turntables 3, a first oil cylinder 5 is fixed below the first support plate 4, the positions of the two turntables 3 can be changed by rotating the position of the second bottom plate 2 according to requirements, a lower limit block 6 is fixed above the first support plate 4, the lower limit block 6 comprises a limit hole 17 which is longitudinal relative to the first support plate 4 and a limit groove 18 which is transverse relative to the position of the second bottom plate 3, an upper limit block 7 is fixed above the lower limit block 6, a top block 8 is connected with the end part of a piston rod of the first oil cylinder 5, the top block 8 penetrates through the longitudinal limit hole 17 and can longitudinally slide, sliding blocks 9 are connected to two sides of the lower limiting block 6 in a sliding mode, the sliding blocks 9 can slide in the limiting grooves 18 transversely, and the sliding blocks 9 are matched with the top block 8 in a wedge mode;

the wedge-shaped matching mode of the utility model is as follows: a first inclined plane 19 and a T-shaped groove 20 are arranged on two sides of the ejector block 8, a second inclined plane 21 and a T-shaped head 22 are arranged on one side, close to the ejector block 8, of the sliding block 9, the T-shaped head 22 is inserted into the T-shaped groove 20, when the ejector block 8 is jacked upwards under the action of the first oil cylinder 5, the sliding block 9 slides outwards due to wedge-shaped matching, and otherwise, the sliding block 9 slides inwards;

as shown in fig. 7, the end of the sliding block 9 is pinned with a positioning mechanism 10, the sliding block 9 is provided with a protruding block 23 on one side close to the positioning mechanism 10, the protruding block 23 is provided with a first limit hole 24, the positioning mechanism 10 comprises a pressing block support 25 and pressing blocks 26 fixed on two ends of the pressing block support 25, the pressing block support 25 is provided with a first bolt hole 27 at a position corresponding to the first limit hole 24 and is inserted with a first bolt 28, a first tolerance gap 29 is provided between the protruding block 23 and the pressing block support 25, a first support plate 11 is fixed on the first support plate 4, a positioning pin 16 is fixed in the center of the first support plate 11 for centering and positioning the required lock shell to clamp and bear the lock shell, when the sliding block 9 drives the positioning mechanism 10 to press the lock shell, if the positioning plane of the positioning mechanism 10 is not parallel to the plane on which the lock shell is placed, the positioning mechanism 10 can rotate around the first pin 28 to a certain degree within the limited travel of the first tolerance gap 29, so that the positioning surface is parallel to the housing placing surface, which can effectively prevent the pressing block 26 from being in rigid contact with the housing at only one point.

As shown in fig. 6, a second support plate 12 is fixed on another turntable 3, a limiting mechanism is fixed on the second support plate 12, the limiting mechanism includes a second bearing platform 36 arranged at a corresponding position of the pressing claw 32 and limiting bases 37 arranged at two sides of the pressing claw 32, a limiting support 38 is fixed on the limiting base 37, limiting heads 39 are fixed at two ends of the limiting support 38, a convex groove 40 is arranged on the limiting base 37, a convex seat 15 is arranged in the convex groove 40, the limiting support 38 is fixed on the convex seat 15, a sawtooth structure is arranged above the limiting base 37, and a sawtooth structure is also arranged at a corresponding position of the limiting support 38 for clamping;

as shown in fig. 4 and 5, a second oil cylinder 13 is fixed below the second support plate 12, a piston rod of the second oil cylinder 13 passes through the second support plate 12, a dowel bar 14 is connected to an end of the piston rod of the second oil cylinder 13, the dowel bar 14 can slide up and down under the action of the second oil cylinder 13, a pressing mechanism is pinned to an end of the dowel bar 14, a second limit hole 30 is formed in an end of the dowel bar 14, the pressing mechanism includes a pressing claw support 31, pressing claws 32 are fixed to two ends of the pressing claw support 31, a second bolt hole 33 is formed in the position, corresponding to the second limit hole 30, of the pressing claw support 31, and a second bolt 34 is inserted into the second bolt hole 33, a second tolerance gap 35 is formed between an end of the dowel bar 14 and the pressing claw 32 support, when the dowel bar 14 drives the pressing mechanism to press towards the lock case, if there is a height difference between the lock cases at the two ends of the hold-down mechanism, when the hold-down mechanism contacts the lock case at the higher side, the dowel bar 14 continues to move downwards, and at this time, the hold-down mechanism can rotate to a certain extent around the second bolt 34 within the stroke limited by the second tolerance gap 35 to press towards the lock case at the lower side, so that the hold-down mechanism can be effectively prevented from being positioned only at the lock case at one side.

Claims

1. A lock shell clamp is characterized by comprising a first bottom plate (1), wherein a second bottom plate (2) is connected to the first bottom plate (1) in a rotating mode, two rotary tables (3) are fixed to the second bottom plate (2), a first supporting plate (4) is fixed to one rotary table (3), a first oil cylinder (5) is fixed to the lower portion of the first supporting plate (4), a lower limiting block (6) is fixed to the upper portion of the first supporting plate (4), an upper limiting block (7) is fixed to the upper portion of the lower limiting block (6), an ejector block (8) is connected to the end portion of a piston rod of the first oil cylinder (5), the ejector block (8) penetrates through the lower limiting block (6) and is inserted into the upper limiting block (7), sliding blocks (9) are connected to two sides of the lower limiting block (6) in a sliding mode, and the sliding blocks (9) are in wedge-shaped fit with the ejector block (8), the end part of the sliding block (9) is in pin connection with a positioning mechanism (10), and a first bearing platform (11) is fixed on the first supporting plate (4) and used for bearing the lock shell;

a second supporting plate (12) is fixed on the other rotary table (3), a second oil cylinder (13) is fixed below the second supporting plate (12), a piston rod of the second oil cylinder (13) penetrates through the second supporting plate (12), the end part of the piston rod of the second oil cylinder (13) is connected with a dowel bar (14), the end part of the dowel bar (14) is connected with a pressing mechanism in a pin mode, and limiting mechanisms are fixed on the periphery of the pressing mechanism.

2. Lock case clamp according to claim 1, characterized in that the lower stop block (6) comprises a longitudinal stop hole (17) and a transverse stop groove (18), the top block (8) being located in the stop hole (17) and the sliding block (9) being located in the stop groove (18).

3. Lock housing clamp according to claim 1, characterized in that the top piece (8) is provided with a first bevel (19) on both sides and with a T-shaped groove (20), and the sliding block (9) is provided with a second bevel (21) on the side close to the top piece (8) and with a T-shaped head (22), which T-shaped head (22) is inserted into the T-shaped groove (20).

4. The lock shell clamp according to claim 1, wherein the sliding block (9) is provided with a protruding block (23) at one side close to the positioning mechanism (10), the protruding block (23) is provided with a first limiting hole (24), the positioning mechanism (10) comprises a pressing block support (25) and pressing blocks (26) fixed at two ends of the pressing block support (25), the pressing block support (25) is provided with a first bolt hole (27) at a position corresponding to the first limiting hole (24) and is inserted with a first bolt (28), and a first tolerance gap (29) is arranged between the protruding block (23) and the pressing block support (25).

5. The lock shell clamp according to claim 1, wherein a second limiting hole (30) is formed at the end of the dowel bar (14), the pressing mechanism comprises a pressing claw support (31), pressing claws (32) are fixed at two ends of the pressing claw support (31), a second bolt hole (33) is formed in the position, corresponding to the second limiting hole (30), of the pressing claw support (31), a second bolt (34) is inserted into the second bolt hole (33), and a second tolerance gap (35) is formed between the end of the dowel bar (14) and the pressing claw support (31).

6. Lock case clamp according to claim 5, characterized in that the limiting mechanism comprises a second bearing platform (36) arranged at a corresponding position of the holding-down claw (32) and limiting bases (37) arranged at both sides of the holding-down claw (32), wherein a limiting support (38) is fixed on the limiting bases (37), and limiting heads (39) are fixed at both ends of the limiting support (38).

7. Lock housing clamp according to claim 6, characterized in that the limiting base (37) is provided with a convex groove (40), that a convex seat (15) is arranged in the convex groove (40), that the limiting abutment (38) is fixed to the convex seat (15), that a saw-tooth structure is arranged above the limiting base (37), and that the limiting abutment (38) is also provided with a saw-tooth structure in a corresponding position for snap-in engagement.

8. Lock case clamp according to claim 1, characterized in that a positioning pin (16) is fixed centrally in the first bearing platform (11) for centering the clamping lock case in question.